Issue 1308 in sympy: simplify gives error on expressions containing exp()

2009-03-08 Thread codesite-noreply
Updates: Status: Fixed Comment #9 on issue 1308 by ondrej.certik: simplify gives error on expressions containing exp() http://code.google.com/p/sympy/issues/detail?id=1308 Thanks, the patch is in. In [1]: simplify(exp(-Rational(1)/Rational(2)) - exp(2)) Out[1]: ⎛ 5/2⎞ -1/2 ⎝1 - ℯ

Issue 1308 in sympy: simplify gives error on expressions containing exp()

2009-03-05 Thread codesite-noreply
Comment #8 on issue 1308 by plaes800: simplify gives error on expressions containing exp() http://code.google.com/p/sympy/issues/detail?id=1308 Version 2 of the patch. The Mul part of this previously fixed if-else chain looked also fishy so I managed to write a test that broke it ;) With th

Issue 1308 in sympy: simplify gives error on expressions containing exp()

2009-03-05 Thread codesite-noreply
Updates: Status: Started Owner: ondrej.certik Comment #7 on issue 1308 by ondrej.certik: simplify gives error on expressions containing exp() http://code.google.com/p/sympy/issues/detail?id=1308 Great job! The patch is +1. I'll merge it soon. I added you to the google code pro

Issue 1308 in sympy: simplify gives error on expressions containing exp()

2009-03-05 Thread codesite-noreply
Comment #6 on issue 1308 by plaes800: simplify gives error on expressions containing exp() http://code.google.com/p/sympy/issues/detail?id=1308 OK, finally cracked it, thanks for all the support. I have put patch here, please comment. http://plaes.org/files/2009-Q1/sympy-exp-simplification.

Issue 1308 in sympy: simplify gives error on expressions containing exp()

2009-03-05 Thread codesite-noreply
Comment #5 on issue 1308 by ondrej.certik: simplify gives error on expressions containing exp() http://code.google.com/p/sympy/issues/detail?id=1308 Great job! So that's it -- the _eval_power() is being called with 1/2 as the "b" argument, but there should be an exponential in that argument.

Issue 1308 in sympy: simplify gives error on expressions containing exp()

2009-03-04 Thread codesite-noreply
Comment #4 on issue 1308 by plaes800: simplify gives error on expressions containing exp() http://code.google.com/p/sympy/issues/detail?id=1308 Ok, figured out what causes this: The last barf came from sympy/functions/elementary/exponential.py:189 187 def _eval_power(b, e): 188 "

Issue 1308 in sympy: simplify gives error on expressions containing exp()

2009-03-04 Thread codesite-noreply
Updates: Labels: -EasyToFix Comment #3 on issue 1308 by ondrej.certik: simplify gives error on expressions containing exp() http://code.google.com/p/sympy/issues/detail?id=1308 I don't see a problem either, you can try to use the debugger to see what's wrong. Try to run with cache of

Issue 1308 in sympy: simplify gives error on expressions containing exp()

2009-03-04 Thread codesite-noreply
Comment #2 on issue 1308 by plaes800: simplify gives error on expressions containing exp() http://code.google.com/p/sympy/issues/detail?id=1308 I did my changes, but then ran into another problem (which I cannot figure out anymore :( ) File "./test.py", line 6, in simplify(exp(3*-R

Issue 1308 in sympy: simplify gives error on expressions containing exp()

2009-02-28 Thread codesite-noreply
Updates: Status: Accepted Labels: -Priority-Medium Priority-High EasyToFix Milestone-Release0.6.4 Comment #1 on issue 1308 by ondrej.certik: simplify gives error on expressions containing exp() http://code.google.com/p/sympy/issues/detail?id=1308 Oops, what an embarrassing bug!

Issue 1308 in sympy: simplify gives error on expressions containing exp()

2009-02-28 Thread codesite-noreply
Status: New Owner: Labels: Type-Defect Priority-Medium New issue 1308 by plaes800: simplify gives error on expressions containing exp() http://code.google.com/p/sympy/issues/detail?id=1308 In [12]: simplify(exp(-Rational(1)/Rational(2)) - exp(2)) --